diff --git a/schemas/api/stations/board.json b/schemas/api/stations/board.json
index c2c623f..e21f5f2 100644
--- a/schemas/api/stations/board.json
+++ b/schemas/api/stations/board.json
@@ -147,6 +147,24 @@
                     "title": "Estimated Departure",
                     "description": "The estimated departure time of the service"
                 },
+                "wtp": {
+                    "type": "string",
+                    "format": "date-time",
+                    "title": "Scheduled Pass",
+                    "description": "The scheduled pass time of the service"
+                },
+                "atp": {
+                    "type": "string",
+                    "format": "date-time",
+                    "title": "Actual Pass",
+                    "description": "The actual pass time of the service"
+                },
+                "etp": {
+                    "type": "string",
+                    "format": "date-time",
+                    "title": "Estimated Pass",
+                    "description": "The estimated pass time of the service"
+                },
                 "p": {
                     "type": "string",
                     "title": "Platform",